package com.onluy.frameworkcloud.tools.utils;
 

import java.io.UnsupportedEncodingException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Hashtable;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import static org.apache.commons.lang3.StringUtils.isNumeric;

public class StringUtil
{
  public static String ltrim(String str, String invalidStr)
  {
    if ((str == null) || (str.length() == 0) || (invalidStr == null) || (invalidStr.length() == 0)) {
      return str;
    }

    int trimLength = 0;

    for (int i = 0; (str != null) && (i < str.length()); i++) {
      boolean stopFlag = true;
      for (int j = 0; (invalidStr != null) && (j < invalidStr.length()); j++) {
        if (str.charAt(i) == invalidStr.charAt(j)) {
          trimLength++;
          stopFlag = false;
          break;
        }
      }
      if (stopFlag)
      {
        break;
      }
    }
    return str.substring(trimLength);
  }

  public static String rtrim(String str, String invalidStr) {
    if ((str == null) || (str.length() == 0) || (invalidStr == null) || (invalidStr.length() == 0)) {
      return str;
    }

    int trimLength = 0;

    for (int i = str.length() - 1; i >= 0; i--) {
      boolean stopFlag = true;
      for (int j = 0; (invalidStr != null) && (j < invalidStr.length()); j++) {
        if (str.charAt(i) == invalidStr.charAt(j)) {
          trimLength++;
          stopFlag = false;
          break;
        }
      }
      if (stopFlag)
      {
        break;
      }
    }
    return str.substring(0, str.length() - trimLength);
  }

  public static String trim(String str, String invalidStr) {
    return ltrim(rtrim(str, invalidStr), invalidStr);
  }

  public static String ltrim(String str) {
    if ((str == null) || (str.length() == 0)) {
      return str;
    }

    int beginIndex = 0;
    while ((beginIndex < str.length()) && (str.charAt(beginIndex) <= ' ')) {
      beginIndex++;
    }
    return str.substring(beginIndex);
  }

  public static String rtrim(String str) {
    if ((str == null) || (str.length() == 0)) {
      return str;
    }

    int endIndex = str.length();
    while ((endIndex > 0) && (str.charAt(endIndex - 1) <= ' ')) {
      endIndex--;
    }
    return str.substring(0, endIndex);
  }

  public static String trim(String str) {
    return ltrim(rtrim(str));
  }

  public static boolean isEmpty(String str) {
    return (str == null) || (str.length() == 0);
  }

  public static boolean isNumber(String str) {
    return (str != null) && ((str.matches("[+-]?[0-9]+\\.?[0-9]*")) || (str.matches("[+-]?[0-9]*\\.?[0-9]+")));
  }

  public static boolean isInteger(String str) {
    return (str != null) && (str.matches("[+-]?[0-9]+"));
  }

  public static boolean isNaturalNumber(String str) {
    return (str != null) && (str.matches("+?[0-9]+"));
  }

  public static boolean isBoolean(String str) {
    return (str != null) && (("true".equals(str)) || ("false".equals(str)));
  }

  public static boolean isLetters(String str) {
    return (str != null) && (str.matches("[a-zA-z]+"));
  }

  public static boolean contains(String str, String value) {
    if ((str == null) || (value == null)) {
      return false;
    }

    if ("".equals(value)) {
      return false;
    }

    int index = str.indexOf(value);

    return index != -1;
  }

  public static String encodeString(String str, String destCharset) throws Exception {
    if (str == null) {
      return null;
    }

    return new String(str.getBytes(), destCharset);
  }

  public static String encodeString(String str, String srcCharset, String destCharset) throws Exception {
    if (str == null) {
      return null;
    }

    return new String(str.getBytes(srcCharset), destCharset);
  }

  public static String camel2Underline(String str) {
    if ((str == null) || ("".equals(str))) {
      return null;
    }
    String result = "";

    for (int i = 0; i < str.length(); i++) {
      char c = str.charAt(i);

      if ((c >= 'A') && (c <= 'Z'))
        result = result + "_" + c;
      else {
        result = result + c;
      }
    }
    return result.toUpperCase();
  }

  public static String string2Underline(String str, int[] splitIndexes) {
    if ((str == null) || ("".equals(str)) || (str.length() < splitIndexes.length)) {
      return null;
    }
    String result = "";

    for (int i = 0; i < str.length(); i++) {
      char c = str.charAt(i);
      boolean split = false;

      for (int j = 0; j < splitIndexes.length; j++) {
        if (i == splitIndexes[j]) {
          split = true;
          break;
        }
      }

      if (split)
        result = result + "_" + c;
      else {
        result = result + c;
      }
    }
    return result.toUpperCase();
  }

  public static String underline2Camel(String str) {
    if ((str == null) || ("".equals(str))) {
      return null;
    }
    str = str.toLowerCase();

    String[] values = str.split("_");
    String result = "";

    for (int i = 0; i < values.length; i++) {
      if (i == 0)
        result = result + values[i];
      else {
        result = result + values[i].substring(0, 1).toUpperCase() + values[i].substring(1);
      }
    }
    return result;
  }

  public static String hexStr2String(String hexStr) throws UnsupportedEncodingException {
    byte[] out = hexStr2ByteArray(hexStr);
    return new String(out);
  }

  public static String hexStr2String(String hexStr, String charset) throws UnsupportedEncodingException {
    byte[] out = hexStr2ByteArray(hexStr);
    return new String(out, charset);
  }

  public static byte[] hexStr2ByteArray(String hexStr) {
    hexStr = hexStr.toUpperCase();
    char[] data = hexStr.toCharArray();
    int len = data.length;

    byte[] out = new byte[len / 2];
    for (int i = 0; i < len; i += 2) {
      String strTmp = new String(data, i, 2);
      out[(i / 2)] = (byte)Integer.parseInt(strTmp, 16);
    }
    return out;
  }

  public static String string2HexStr(String str) throws UnsupportedEncodingException {
    byte[] data = str.getBytes();
    return byteArray2HexStr(data);
  }

  public static String string2HexStr(String str, String charset) throws UnsupportedEncodingException {
    byte[] data = str.getBytes(charset);
    return byteArray2HexStr(data);
  }

  public static String byteArray2HexStr(byte[] data) {
    char[] digits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
    int l = data.length;
    char[] out = new char[l << 1];

    int i = 0;
    for (int j = 0; i < l; i++) {
      out[(j++)] = digits[((0xF0 & data[i]) >>> 4)];
      out[(j++)] = digits[(0xF & data[i])];
    }
    return new String(out);
  }

  public static boolean isNotBlank(String str) {
    return str != null && str.trim().length() > 0;
  }

  public static boolean isBlank(String str) {
    return !isNotBlank(str);
  }

  public static boolean checkPhone(String phone) {
    String regex = "^((13[0-9])|(14[5,7,9])|(15([0-3]|[5-9]))|(166)|(17[0,1,3,5,6,7,8])|(18[0-9])|(19[8|9]))\\d{8}$";
    if (phone.length() != 11) {
      return false;
    } else {
      Pattern p = Pattern.compile(regex);
      Matcher m = p.matcher(phone);
      boolean isMatch = m.matches();
      return isMatch;
    }
  }

  /**
   *校验邮箱格式
   */
  public static boolean checkEmail(String value){
    boolean flag=false;
    Pattern p1 = null;
    Matcher m = null;
    p1 = Pattern.compile("\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*");
    m = p1.matcher(value);
    flag = m.matches();
    return flag;
  }
  /**
   * 功能：身份证的有效验证
   */
  public static boolean checkIDCard(String IDStr) throws ParseException {
    IDStr = IDStr.trim().toUpperCase();
    String errorInfo = "";// 记录错误信息
    String[] ValCodeArr = { "1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2" };
    String[] Wi = { "7", "9", "10", "5", "8", "4", "2", "1", "6", "3", "7", "9", "10", "5", "8", "4", "2" };
    String Ai = "";
    // ================ 号码的长度 15位或18位 ================
    if (IDStr.length() != 15 && IDStr.length() != 18) {
      //身份证号码长度应该为15位或18位
      return false;
    }
    // =======================(end)========================

    // ================ 数字 除最后以为都为数字 ================
    if (IDStr.length() == 18) {
      Ai = IDStr.substring(0, 17);
    } else if (IDStr.length() == 15) {
      Ai = IDStr.substring(0, 6) + "19" + IDStr.substring(6, 15);
    }
    if (isNumeric(Ai) == false) {
      //身份证15位号码都应为数字 ; 18位号码除最后一位外，都应为数字。
      return false;
    }
    // =======================(end)========================

    // ================ 出生年月是否有效 ================
    String strYear = Ai.substring(6, 10);// 年份
    String strMonth = Ai.substring(10, 12);// 月份
    String strDay = Ai.substring(12, 14);// 月份
    if (isDataFormat(strYear + "-" + strMonth + "-" + strDay) == false) {
      //身份证生日无效。
      return false;
    }
    GregorianCalendar gc = new GregorianCalendar();
    SimpleDateFormat s = new SimpleDateFormat("yyyy-MM-dd");
    if ((gc.get(Calendar.YEAR) - Integer.parseInt(strYear)) > 150
            || (gc.getTime().getTime() - s.parse(strYear + "-" + strMonth + "-" + strDay).getTime()) < 0) {
      //身份证生日不在有效范围。
      return false;
    }
    if (Integer.parseInt(strMonth) > 12 || Integer.parseInt(strMonth) == 0) {
      //身份证月份无效
      return false;
    }
    if (Integer.parseInt(strDay) > 31 || Integer.parseInt(strDay) == 0) {
      //身份证日期无效
      return false;
    }
    // =====================(end)=====================

    // ================ 地区码时候有效 ================
    Hashtable h = GetAreaCode();
    if (h.get(Ai.substring(0, 2)) == null) {
      //身份证地区编码错误。
      return false;
    }
    // ==============================================

    // ================ 判断最后一位的值 ================
    int TotalmulAiWi = 0;
    for (int i = 0; i < 17; i++) {
      TotalmulAiWi = TotalmulAiWi + Integer.parseInt(String.valueOf(Ai.charAt(i))) * Integer.parseInt(Wi[i]);
    }
    int modValue = TotalmulAiWi % 11;
    String strVerifyCode = ValCodeArr[modValue];
    Ai = Ai + strVerifyCode;

    if (IDStr.length() == 18) {
      if (Ai.equals(IDStr) == false) {
        //身份证无效，不是合法的身份证号码
        return false;
      }
    } else {
      return true;
    }
    // =====================(end)=====================
    return true;
  }
  /**
   * 功能：设置地区编码
   */
  private static Hashtable GetAreaCode() {
    Hashtable hashtable = new Hashtable();
    hashtable.put("11", "北京");
    hashtable.put("12", "天津");
    hashtable.put("13", "河北");
    hashtable.put("14", "山西");
    hashtable.put("15", "内蒙古");
    hashtable.put("21", "辽宁");
    hashtable.put("22", "吉林");
    hashtable.put("23", "黑龙江");
    hashtable.put("31", "上海");
    hashtable.put("32", "江苏");
    hashtable.put("33", "浙江");
    hashtable.put("34", "安徽");
    hashtable.put("35", "福建");
    hashtable.put("36", "江西");
    hashtable.put("37", "山东");
    hashtable.put("41", "河南");
    hashtable.put("42", "湖北");
    hashtable.put("43", "湖南");
    hashtable.put("44", "广东");
    hashtable.put("45", "广西");
    hashtable.put("46", "海南");
    hashtable.put("50", "重庆");
    hashtable.put("51", "四川");
    hashtable.put("52", "贵州");
    hashtable.put("53", "云南");
    hashtable.put("54", "西藏");
    hashtable.put("61", "陕西");
    hashtable.put("62", "甘肃");
    hashtable.put("63", "青海");
    hashtable.put("64", "宁夏");
    hashtable.put("65", "新疆");
    hashtable.put("71", "台湾");
    hashtable.put("81", "香港");
    hashtable.put("82", "澳门");
    hashtable.put("91", "国外");
    return hashtable;
  }

  /**
   * 验证日期字符串是否是YYYY-MM-DD格式
   */
  public static boolean isDataFormat(String str) {
    boolean flag = false;
    // String
    // regxStr="[1-9][0-9]{3}-[0-1][0-2]-((0[1-9])|([12][0-9])|(3[01]))";
    String regxStr = "^((\\d{2}(([02468][048])|([13579][26]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])))))|(\\d{2}(([02468][1235679])|([13579][01345789]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\\s(((0?[0-9])|([1-2][0-3]))\\:([0-5]?[0-9])((\\s)|(\\:([0-5]?[0-9])))))?$";
    Pattern pattern1 = Pattern.compile(regxStr);
    Matcher isNo = pattern1.matcher(str);
    if (isNo.matches()) {
      flag = true;
    }
    return flag;
  }

  /**
   * 功能：判断字符串是否为数字
   */
  private static boolean isNumeric(String str) {
    Pattern pattern = Pattern.compile("[0-9]*");
    Matcher isNum = pattern.matcher(str);
    if (isNum.matches()) {
      return true;
    } else {
      return false;
    }
  }

}